Jack, Locke and Sawyer chase Michael after he plunges into the jungle in search of Walt; Sun has a surprising reaction to Jin’s desire to join the search party; Hurley and Charlie commiserate over the question of what women want.

The abc.com preview has this to say: Mr. Eko interrogates Charlie about the Virgin Mary statue, Claire begins to lose faith in Charlie when she discovers his secret, and Jack is an interested observer when Kate gives the recovering Sawyer a much-needed haircut..

As Kate’s backstory continues, her original crime is revealed. She thinks something is haunting her through Sawyer. Locke and Eko make an interesting discovery about the film, and Michael has a mysterious encounter with the computer.

Lost goes off the air for the rest of the year, returning January 11, 2006 with “The 23rd Psalm,” which gives us a glimpse into Mr. Eko’s story.

Violence erupts when Ana Lucia and her group discover the other castaways.

The first 48 days in the lives of the tail section survivors are revealed.

DVR/VCR Warning! This episode is scheduled to run for 64 minutes.

Lost is back and taking casualties! Recap

This week the victims of a fire need help.

On one side of the island, Sun is devastated when she notices that her wedding ring is missing from her finger. While on the other side of the island, we follow Jin’s attempt to return to his wife. Michael tells him that they will find each other again, soon.

Full recap

Hurley’s put in charge of the new-found food. Yeah, these guys have been out in the sun too long. Synopsis

I haven’t seen it so I can’t make an effective summary. Spoilerful summary from ABC.com.